164503156435 has 16 divisors (see below), whose sum is σ = 213409504800. Its totient is φ = 121306450176.

The previous prime is 164503156429. The next prime is 164503156453. The reversal of 164503156435 is 534651305461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164503156435 is a prime.

It is a super-2 number, since 2×164503156435² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164503156391 and 164503156400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23396650 + ... + 23403679.

It is an arithmetic number, because the mean of its divisors is an integer number (13338094050).

Almost surely, 2^164503156435 is an apocalyptic number.

164503156435 is a deficient number, since it is larger than the sum of its proper divisors (48906348365).

164503156435 is a wasteful number, since it uses less digits than its factorization.

164503156435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46800390.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 164503156435 in words is "one hundred sixty-four billion, five hundred three million, one hundred fifty-six thousand, four hundred thirty-five".